I'm trying to use virt-manager with a custom libvirt hypervisor driver.
My current problem is that virt-manager closes the connection because
virNodeGetInfo(the python binding) returns None:
Traceback (most recent call last):
File
"/home/cloehle/Documents/libvirt/virt-manager/virtManager/connection.py", line
1390, in tick_from_engine
self._tick(*args, **kwargs)
File
"/home/cloehle/Documents/libvirt/virt-manager/virtManager/connection.py", line
1280, in _tick
self._hostinfo = self._backend.getInfo()
File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3612, in getInfo
if ret is None: raise libvirtError ('virNodeGetInfo() failed', conn=self)
libvirtError: internal error: client socket is closed
The virNodeGetInfo function of my driver should set a valid virNodeInfoPtr,
since it only consists of the line:
return nodeGetInfo(NULL, info);
virsh shows no problems which is why I suspect this is a problem with
libvirt-python.
So I looked at the source and the first thing that I noticed is in line 2753 of
libvirt-override.c:
if (!PyArg_ParseTuple(args, (char *)"O:virDomainGetInfo", &pyobj_conn))
return NULL;
Since this is for virNodeGetInfo this should probably be virNodeGetInfo instead
of domain(the same thing occurs in line 2794 for another function).
This could be my source of error but doesn't have to be. Could someone walk me
through finding the reason why libvirt-python returns None for my
virNodeGetInfo?
Is there any good way of debugging where exactly libvirt-python encounters an
error and returns None?
Any help appreciated,
Christian Loehle
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